Switched Sim Card and activated phone myself. Bad Idea?

I had a Droid Razr and got hold of a Droid Razr Maxx. I work for ATT and reasoned that simply switching SIM cards while having phones off would activate the MAXX. I did the swap carefully and yes now 12 hrs later the MAXX is running beautifully and with no hiccups. My wife seems to think I have to inform Verizon of the switch as it could cause trouble if I dont. I dont see the need really so that is my question? Does V really need to know and why?

Unless you unscrew the phone, Motorola phones have the SIM card slot on the side of the phone. The OP didn't even mention anything about accessing the battery on the phone.

As for swapping out phones, the only time Verizon has to be notified, is when you have to call in to activate a phone with an ESN or MEID number. New Verizon phones now use the same standard as GSM phones, by using a SIM card. As long as the phone is carrier supported, or an unlocked phone that has the same frequencies as that carrier, it no longer requires calling into the carrier, or going online to change phones. It took me a while to go thru the process of swapping out SIM cards changes your phone. Luckily I learned this while using a T-Mobile phone first, bef...(continues)